[Q] How add language pack to custom Rom

view story

http://forum.xda-developers.com – Hi, I have HTC Incredible S, custom rom Nik Project X v4.1 By Nikhil007, very love this rom!!! I want add other language pack, if i cut language pack from other rom and insert to this rom, is possible? If this possible, where is language pack in rom? (HowTos)